﻿<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>CSS属性background-image的应用</title>
        <style>
            body {
                background-image: url(image/sky.jpg);
                background-repeat: repeat-y; /* 背景图像不平铺 */
            }
        </style>
    </head>
    <body>
        <h3>CSS属性background-image的应用</h3>
    </body>
</html>